JP2015029335A5 - - Google Patents
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- JP2015029335A5 JP2015029335A5 JP2014195742A JP2014195742A JP2015029335A5 JP 2015029335 A5 JP2015029335 A5 JP 2015029335A5 JP 2014195742 A JP2014195742 A JP 2014195742A JP 2014195742 A JP2014195742 A JP 2014195742A JP 2015029335 A5 JP2015029335 A5 JP 2015029335A5
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最大サイズを有する符号化単位のサイズ情報に基づき、前記映像を最大符号化単位で分割する段階と、
最大符号化単位を階層的に分割して前記最大符号化単位に含まれた階層構造の符号化単位を決定する段階と、
現在深度の符号化単位から少なくとも一つの予測単位を獲得する段階と、
現在予測単位の周辺予測単位の動きベクトルを利用して予測動きベクトル候補を決定する段階と、
前記現在予測単位に利用された予測動きベクトルに対する情報に基づき、前記予測動きベクトル候補のうち前記現在予測単位の予測動きベクトルを決定する段階と、
前記予測動きベクトルと前記ビットストリームから獲得された差ベクトルに基づき、前記現在予測単位の動きベクトルを獲得する段階を含み、
前記周辺予測単位は、前記現在ブロックの左下側に隣接した第１予測単位、該第１予測単位の上側に位置した第２予測単位、前記現在ブロックの右上側に位置した第３予測単位、該第３予測単位の左側に位置した第４予測単位及び前記現在予測単位の左上側に位置した第５予測単位を含むことを特徴とする映像復号化方法。 In the video decoding method,
Dividing the video by the maximum coding unit based on the size information of the coding unit having the maximum size;
Dividing a maximum coding unit hierarchically to determine a coding unit of a hierarchical structure included in the maximum coding unit;
Obtaining at least one prediction unit from the coding unit of the current depth;
Determining a motion vector predictor candidate using a motion vector of a peripheral prediction unit of a current prediction unit;
Determining a prediction motion vector of the current prediction unit among the prediction motion vector candidates based on information on a prediction motion vector used for the current prediction unit;
Obtaining a motion vector of the current prediction unit based on the prediction motion vector and a difference vector obtained from the bitstream;
The peripheral prediction unit includes a first prediction unit adjacent to the lower left side of the current block, a second prediction unit located above the first prediction unit, a third prediction unit located on the upper right side of the current block, A video decoding method comprising: a fourth prediction unit located on the left side of a third prediction unit; and a fifth prediction unit located on the upper left side of the current prediction unit .
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2009-0074896 | 2009-08-13 | ||
| KR1020090074896A KR101452859B1 (en) | 2009-08-13 | 2009-08-13 | Method and apparatus for encoding and decoding motion vector |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013131553A Division JP5624178B2 (en) | 2009-08-13 | 2013-06-24 | Video decoding method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015029335A JP2015029335A (en) | 2015-02-12 |
| JP2015029335A5 true JP2015029335A5 (en) | 2015-05-21 |
| JP5856268B2 JP5856268B2 (en) | 2016-02-09 |
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Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012524655A Active JP5756106B2 (en) | 2009-08-13 | 2010-08-13 | Method and apparatus for encoding / decoding motion vectors |
| JP2013131555A Active JP5624179B2 (en) | 2009-08-13 | 2013-06-24 | Video decoding device |
| JP2013131554A Active JP5571827B2 (en) | 2009-08-13 | 2013-06-24 | Method for decoding motion vectors |
| JP2013131553A Active JP5624178B2 (en) | 2009-08-13 | 2013-06-24 | Video decoding method |
| JP2014195742A Active JP5856268B2 (en) | 2009-08-13 | 2014-09-25 | Video decoding method |
| JP2014195741A Active JP5856267B2 (en) | 2009-08-13 | 2014-09-25 | Video decoding method |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
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| JP2012524655A Active JP5756106B2 (en) | 2009-08-13 | 2010-08-13 | Method and apparatus for encoding / decoding motion vectors |
| JP2013131555A Active JP5624179B2 (en) | 2009-08-13 | 2013-06-24 | Video decoding device |
| JP2013131554A Active JP5571827B2 (en) | 2009-08-13 | 2013-06-24 | Method for decoding motion vectors |
| JP2013131553A Active JP5624178B2 (en) | 2009-08-13 | 2013-06-24 | Video decoding method |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2014195741A Active JP5856267B2 (en) | 2009-08-13 | 2014-09-25 | Video decoding method |
Country Status (22)
| Country | Link |
|---|---|
| US (10) | US8537897B2 (en) |
| EP (5) | EP2452500A4 (en) |
| JP (6) | JP5756106B2 (en) |
| KR (1) | KR101452859B1 (en) |
| CN (6) | CN104506863B (en) |
| AU (1) | AU2010283121B2 (en) |
| BR (5) | BR112012001514B1 (en) |
| CA (6) | CA2768182C (en) |
| CY (1) | CY1123129T1 (en) |
| DK (4) | DK2677752T3 (en) |
| ES (4) | ES2751334T3 (en) |
| HR (1) | HRP20191791T1 (en) |
| LT (1) | LT2677749T (en) |
| MX (1) | MX2011013557A (en) |
| MY (4) | MY154795A (en) |
| PL (4) | PL2677753T3 (en) |
| PT (1) | PT2677749T (en) |
| RU (6) | RU2488972C1 (en) |
| SI (1) | SI2677749T1 (en) |
| TW (7) | TWI468019B (en) |
| WO (1) | WO2011019247A2 (en) |
| ZA (2) | ZA201201158B (en) |
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